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Shock insulation rubber support

A vibration isolation rubber and rubber pad technology, applied in bridge parts, bridges, buildings, etc., can solve the problems of inability to achieve reset, insignificant energy consumption effect, long reset period, etc., and achieve good reset ability and auxiliary energy consumption performance. , Factory production is simple, to avoid the effect of difficult reset

Inactive Publication Date: 2013-08-28
CENT SOUTH UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In an earthquake, the effect of dissipating energy only through the deformation of the rubber pad is not obvious
After the earthquake, it cannot be reset or the reset period is long

Method used

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Embodiment Construction

[0023] The following is a further description of the technical content of the patent of the present invention, but it is not a limitation to the essential content of the patent of the present invention.

[0024] figure 1 It is a schematic diagram of a pot-type rubber bearing with tensile, shear energy consumption and self-resetting functions according to an embodiment of the present invention; figure 2 for figure 1 The cross-sectional view of A-A in the middle; image 3 for figure 1 The cross-sectional view of B-B in middle; figure 1 , 2 As shown in , 3, the basin-type shock-isolation rubber bearing with the functions of tensile resistance, shear energy consumption and self-resetting includes a bottom plate 1 and a top plate 2, and a rubber pad 3 and a middle steel liner are arranged between the bottom plate 1 and the top plate 2 4. Teflon plate 5 and stainless steel slide plate 6, bottom plate 1 and top plate 2 are connected by horizontal lead rod 702, top plate 2 and m...

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Abstract

The invention provides a shock insulation rubber support which comprises a base plate (1) and a top plate (2). A rubber pad (3), a middle steel linear plate (4), a polyfluortetraethylene plate (5) and a stainless steel sliding plate (6) are arranged between the base plate (1) and the top plate (2). The base plate (1) and the top plate (2) are connected through horizontal lead rods (702). The top plate (2) is connected with the middle steel linear plate (4) through vertical lead rods (701). Reset springs (9) are further arranged between the middle steel linear plate (4) and the top plate (2). When vertical tensile force and transverse shear force are generated under the action of earthquake, the horizontal lead rods between the base plate and the top plate can offset the vertical tensile force and part of the transverse shear force on the basis of maintaining integrality of the support to limit the vertical displacement. The vertical lead rods arranged between the top plate and the middle steel linear plate can offset part of the shear force and can reduce influence of vibration on a bridge on the upper portion of the support due to the fact that shearing deformation of the lead rods need to consume energy.

Description

technical field [0001] The invention relates to a bridge support, in particular to a basin-type shock-isolation rubber support capable of realizing the functions of tensile resistance, shear energy consumption and self-resetting. Background technique [0002] In bridge construction, in order to adapt to the horizontal displacement, rotation angle and shock absorption requirements caused by temperature changes, it is necessary to install bearings to bear pressure and transmit the horizontal force from the beam. The currently used pot bearing includes a top plate, a middle steel liner, a pressure-bearing rubber plate and a bottom plate. A friction pair composed of a stainless steel slide plate or a friction plate and a PTFE slide plate is arranged between the top plate and the middle steel liner. This kind of pot rubber bearing can only bear horizontal force and pressure in use, and cannot act on the pulling force in the vertical direction. Jumping beams, falling beams or fal...

Claims

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Application Information

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IPC IPC(8): E01D19/04
Inventor 国巍余志武刘汉云彭秒培刘鹏
Owner CENT SOUTH UNIV
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